document.write( "Question 938284: How would I use the elimination method?
\n" ); document.write( "2a+b=3
\n" ); document.write( "-3a-2b=-1 \n" ); document.write( "

Algebra.Com's Answer #571567 by MathLover1(20849) $\"\"$ $\"About$

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\n" ); document.write( " $\"2a%2Bb=3\"$ ...........eq.1
\n" ); document.write( " $\"-3a-2b=-1\"$ .........eq.2
\n" ); document.write( "_____________________multiply eq.1 by $\"2\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"4a%2B2b=6\"$ ...........eq.1
\n" ); document.write( " $\"-3a-2b=-1\"$ .........eq.2
\n" ); document.write( "_____________________....... add eq.1 and eq.2\r
\n" ); document.write( "\n" ); document.write( " $\"4a%2Bcross%282b%29-3a-cross%282b%29=6-1\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"highlight%28a=5%29\"$ \r
\n" ); document.write( "\n" ); document.write( "go to eq.1 or eq.2, substitute $\"5\"$ for $\"a\"$ and solve for $\"b\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"2a%2Bb=3\"$ ...........eq.1\r
\n" ); document.write( "\n" ); document.write( " $\"2%2A5%2Bb=3\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"10%2Bb=3\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"b=3-10\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"highlight%28b=-7%29\"$ \r
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